In an experiment on long-term memory, a psychologist presents subjects with a list of random words or a list of words used in a story that the subjects read.She measures the number of ideas recalled in each case.The list vs.story variable is a(n)______ .
A)independent variable
B)ecologically valid variable
C)dependent variable
D)confounding variable

Question

Quizplus · Accepted Answer

The list vs. story variable is the manipulation that the psychologist is making in the experiment. Thus, it is the independent variable. The dependent variable is the number of ideas recalled, which is what the psychologist is measuring. Ecologically valid variables refer to variables that are applicable to real-world situations, and confounding variables are variables that may influence the results but are not being studied directly.

In an Experiment on Long-Term Memory, a Psychologist Presents Subjects